1--TEST-- 2GH-13279: Instable array during in-place modification in uksort 3--FILE-- 4<?php 5 6// Make sure the array is not const 7$array = []; 8$array['a'] = 1; 9$array['b'] = 2; 10 11uksort($array, function ($a, $b) use (&$array) { 12 return $array[$a] - $array[$b]; 13}); 14 15?> 16===DONE=== 17--EXPECT-- 18===DONE=== 19